431055040 has 56 divisors (see below), whose sum is σ = 1105418160. Its totient is φ = 159157248.

The previous prime is 431055013. The next prime is 431055073. The reversal of 431055040 is 40550134.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47650 + ... + 55969.

It is an arithmetic number, because the mean of its divisors is an integer number (19739610).

Almost surely, 2^431055040 is an apocalyptic number.

431055040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

431055040 is an abundant number, since it is smaller than the sum of its proper divisors (674363120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431055040 is a wasteful number, since it uses less digits than its factorization.

431055040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103649 (or 103639 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 431055040 is about 20761.8650414648. The cubic root of 431055040 is about 755.4010354264.

The spelling of 431055040 in words is "four hundred thirty-one million, fifty-five thousand, forty".